151115441 has 4 divisors (see below), whose sum is σ = 151147812. Its totient is φ = 151083072.

The previous prime is 151115407. The next prime is 151115449. The reversal of 151115441 is 144511151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144511151 = 227 ⋅636613.

It can be written as a sum of positive squares in 2 ways, for example, as 88642225 + 62473216 = 9415^2 + 7904^2 .

It is a cyclic number.

It is not a de Polignac number, because 151115441 - 2¹⁴ = 151099057 is a prime.

It is a super-3 number, since 3×151115441³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151115449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7700 + ... + 19013.

It is an arithmetic number, because the mean of its divisors is an integer number (37786953).

Almost surely, 2^151115441 is an apocalyptic number.

It is an amenable number.

151115441 is a deficient number, since it is larger than the sum of its proper divisors (32371).

151115441 is an equidigital number, since it uses as much as digits as its factorization.

151115441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32370.

The product of its digits is 400, while the sum is 23.

The square root of 151115441 is about 12292.9020576917. The cubic root of 151115441 is about 532.6430699938.

Adding to 151115441 its reverse (144511151), we get a palindrome (295626592).

The spelling of 151115441 in words is "one hundred fifty-one million, one hundred fifteen thousand, four hundred forty-one".